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J DODDER Index Cutting Machine.

NO. 239,297. Patented March 22,188l.

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1110mm. Index Cutting Machine. No. 239,297. Patent-ed March-22,1881.

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No. 239,297. Patented March 22, l88l.

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J.DODDER. Index Cutting Machine. vNo. 239,297. Patented March 22,1-88l.

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J. DODDER. Index Cutting Machine. No. 239,297. Patented March 22,1881.

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J. DODDER. Index'Gutting Machine. No. 239,297. Patented March 22,1881.

n-FETERS, FHDTO-LITHOGRAPHER, WASHINGTON. D. C

(Modem 7 Sheets*8heet 7.

J. DODDER. Index Cutting Machine.

No. 239,297. Patented March 22,1881.

UNITED STATES PATENT OFFICE.

JACOB DODDER, OF WASHINGTON, IOWA.

INDEX-CUTTING MACHINE.

SPECIFICATION forming part of Letters Patent No. 239,297, dated March 22, 1881.

Application filed February 4, 1&81. (ModeL) To all whom it may concern Be it known that I, J A0013 Donnnn, of Washington, in the county of Washington and State of Iowa, have invented certain new and useful Improvements in Book-Index Cutting; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawin gs, which form part of this specification.

My invention relates to an improvement in book-index-outting machines; and it consists .in the combination of a spring-treadle for operating the cutter, a mechanism for moving the table, a clamp upon the table for holding the book in position, and a rotary lifter for turning the leaf back after it is out, whereby, after each leaf or set of leaves is cut, the book is moved along by'means of a sliding table, so as to be ready for the next out. i It still further consists in the combination, with the above devices, of an arm or device provided with a roughened surface, so as to shove the leaf back after it has been cut.

The object of my invention is to produce a 7 machine which will out the indexes of books in such a manner that it is only necessary to place the book upon the table, with its edges underneath the cutter, and then move the book along by operating a treadle, when the index for each letter, or any desired number of letters, will be cut, and the leaves which have been cut moved back out of the way, so as not to interfere with the action of the cutter upon the uncut leaves.

Figure 1 is a front elevation of my invention. Figs. 2 and 3 are end views of the same. Fig. .4 represents a rear elevation. Fig. 5 represents a plan view of a machine with the table removed. Figs. 6 and 7 are detail views. Fig. Sis a perspective of the two parts by which the leaves are moved back out of the way after they have been cut. Fig. 9 shows the cutter in two different positions. Fig. 10 is a perspective of the holding-clamp and its attachments. Fig. 11 is a vertical section taken through the standard B. Fig. 12 is a detail view of a portion of the mechanism for operating the sliding table.

A represents a suitable frame-work, of any desired construction, from the top of which rises the standard B, having a groove cut in its front side, and which standard acts as a guide for the operating-rod G, which is connected at its lower endto the treadle D. This standard extends down from the top of the table to near the floor, and serves no other purpose than as a guide to the rod, and to support the guides E, which are fastened upon its front side, for the stem F of the cutter to pass through. This stem is fastened to the vertivertical arm or lever, J which has pivoted to its upper end the ratchet-rod K. This rod K is made in two parts, and these two parts are clamped together by means of asuitable clasp and set-screw, L, so that the distance that the table upon which the book is clamped shall move can be regulated at will. Where the arm is shortened a greater number of ratchet-teeth are brought into play at every movement of the rod, and hence the table will be moved a longer distance than where the rod is lengthened, so as to move most of the ratchet-teeth beyond the ratchet-wheel. Near the center of the table is placed a spurwheel, M, which mesheswith the rack on the under side of the table N, and this spurwheel has a ratchet-wheel, O, secured to its side, andwhich the ratchet-rod operates. The ratchet-rod is held down in contact with the teeth of the ratchet- Wheel by means of the spring Q, which spring allows the rod to rise Placed between these two ratchet-rods It is the clamping-rod T, which has a slot made in each end, so as to pass down over the ratchetrods, and which clamping-rod has a plate, U, secured to each end for catching in the ratchetrods B. When the pivoted rod is turned back- Ward the clamping-rod can be freely removed. because then the metallic plates are released from the teeth; but while the pivoted ratchetrod is forced forward by its spring the clamping-rod is held in position so that the book which is being held by it cannot. possibly be accidentally displaced.

Projecting out from the rear side of the rod 0, and through a slot in the back of the standard B, is apin, which passes through a slot in the free end of the L-shaped lever V. The fulcrum of this lever V is upon a suitable standard,which rises upward from the top of the frame, and to the lower end of the lever is secured a ratchet-rod, W, which engages with the teeth of a wheel, X. Each time that the treadle is operated this ratchet-rod W causes the wheel X to turn partially around, for the purpose of turning the rotary lifter, which is provided with sharp points for catching under the leaves which have just been cut by the cutter, and turning them backward. As this rotary lifter must be vertically adjustable, so as to follow the leaves downward as fast as they are cut, the shaft of the wheel is provided with a spline, 1, which passes through a slot which is made through a sleeve, 2, which extends up from the top of the wheel X, and through a groove which is made in the wheel itself. Before the book is placed in position this rotary lifter 2 is raised upward, so that its points will rest upon the top of the book, and then, at each stroke of the cutter, the rotary lifter is made to give a partial revolution, and each time that it turns one of its points will catch under one or more of the leaves which have been cut and turn them backward out of the way of the cutter. The weight of the rotary liftercauses itto automatically descend just in proportion to the leaves it turns backward at each partial revolution. The elliptical spring P has a rod, 3, passing up through it from the treadle, so that each time that the treadle is depressed the spring is partially compressed. Fastened to this spring is a strap, 4, which passes up through a hole in the top of the frame, and has its upper end partially wrapped around and fastened to the pulley 5on the shaft 6. On this shaft is placed a pinion, 7, with which meshes a rack on the under side of the flat rod or plate 8. This rod or plate is held down in contact with the pinion by means of a spring, 9, and projecting from the under side of this rack is a pin, .10,

which catches against the upper end of a spring, 11. Each time that the spring is parthe rod forward. As soon as the treadle is v released and the spring begins to assume its normal shape, the spring 11 forces the rod backward and keeps the strap tightly wound upon the pulley. To the under side of that end of the flat rdd which projects over the top of the edge of the book, as it is clamped upon the edge of the table, there is secured a piece of sand-paper, emery-cloth, or other rough substance, 12, so that each time that the rod moves inward it will push the edges of the leaves which have been cut back sufliciently far to rumple them, as shown in Fig. 8, and thus enable the rotary lifter to catch under them for the purpose of turning them back.

It will be seen that a single movement of the treadle operates the cutter, moves the table, turns the rotary lifter, and moves the device by which the pages are pushed back out of the way. As the entire operation is automatic, after the book is once adjusted in position, the work of cutting an index upon the book is very rapidly carried on, and needs no skilled labor.

Having thus described my invention, I claim-- 1. In an index-cutting machine, the combination of a treadle, D, an endwise-movingtable N, and a mechanism substantially as described, for moving the table, and which is operated by the treadle, a clamp for holding the book in position, a rotary lifter for turning the edges of the leaves and its operating mechanism, substantially as described, and a devicefor pushing back the edges of the leaves, substantially as shown.

2. In a machine for cutting indexes in books, a verticallyadjustable rotary lifter, provided with sharp points for catching under the leaves whichhave been cut, andturning them back out of the way, in combination with a mechanism for revolving the rotary lifter, substantially as set forth.

3. In a machine for cuttingindexes in books, the combination of the treadle, a spring attached thereto, the strap 3, shaft 6, pinion 7, the rod 8, having a roughened surface, and the springs connected thereto, substantially as specified.

In testimony that I claim the foregoing I have hereunto set my hand this 20th day of January, 1881.

JACOB DODDER.

Witnesses:

A. S. FOLGER, J. M. STINsoN. 

